my_config/.vimrc

"
" General Options
"
" Disable compatibility mode
"set nocp

"
" Indent Options
"
" New lines inherit the indentation of previous lines.
set autoindent
" Convert tabs to spaces.
set expandtab
" Enable indentation rules that are file-type specific.
"set filetype indent on 
" When shifting lines, round the indentation to the nearest multiple of "shiftwidth."
set shiftround 
" When shifting, indent using four spaces.
set shiftwidth=4 
" Insert "tabstop" number of spaces when the "tab" key is pressed.
set smarttab 
" Indent using four spaces.
set tabstop=4 

"
" Search Options
"
" Enable search highlighting.
set hlsearch
"  Ignore case when searching.
set ignorecase
" Incremental search that shows partial matches.
set incsearch 
" Automatically switch search to case-sensitive when search query contains an uppercase letter.
set smartcase 

"
" Performance Options
"
" Limit the files searched for auto-completes.
"set complete-=i
" Don't update screen during macro and script execution.
"set lazyredraw

"
" Text Rendering Options
"
"  Always try to show a paragraph's last line.
"set display+=lastline
" Use an encoding that supports unicode.
set encoding=utf-8
" Avoid wrapping a line in the middle of a word.
set linebreak
" The number of screen lines to keep above and below the cursor.
set scrolloff=3
" The number of screen columns to keep to the left and right of the cursor.
set sidescrolloff=5
" Enable syntax highlighting.
syntax enable
" Enable line wrapping.
set wrap

"
" User Interface Options
"
" Always display the status bar.
set laststatus=2
" Statusline color
" highlight mode color
highlight NormalColor ctermbg=10 ctermfg=0
highlight InsertColor ctermbg=14 ctermfg=0
highlight VisualColor ctermbg=9 ctermfg=0
highlight CommandColor ctermbg=15 ctermfg=0
set statusline=
set statusline+=%#NormalColor#%{(mode()=='n')?'\ \ NORMAL\ \ ':''}
set statusline+=%#InsertColor#%{(mode()=='i')?'\ \ INSERT\ \ ':''}
set statusline+=%#VisualColor#%{(mode()=='v')?'\ \ VISUAL\ \ ':''}
set statusline+=%#CommandColor#%{(mode()=='c')?'\ \ COMMAND\ ':''}

function! GitBranch()
  return system("git rev-parse --abbrev-ref HEAD 2>/dev/null | tr -d '\n'")
endfunction
function! StatuslineGit()
  let l:branchname = GitBranch()
  return strlen(l:branchname) > 0?'  '.l:branchname.' ':''
endfunction

set statusline+=%#PmenuSel#                                   " Statusline format PmenuSel
set statusline+=%{StatuslineGit()}                            " Git status
set statusline+=%#NormalColor#                                " Statusline format NormalColor
set statusline+=\ %f                                          " Filename
set statusline+=\ %m                                          " Modified token
set statusline+=%=                                            " Allign right
set statusline+=%#CursorColumn#                               " Statusline format CursorColumn
set statusline+=\ %y                                          " file type
set statusline+=\ %{&fileencoding?&fileencoding:&encoding}    " encoding
set statusline+=\[%{&fileformat}\]                            " file format
set statusline+=\ %p%%                                        " line percent
set statusline+=\ %l:%c                                       " line:column
set statusline+=\ [0x%B]\                                     " ASCII hex code under cursor

" Always show cursor position.
"set ruler
" Display command line's tab complete options as a menu.
"set wildmenu
" Maximum number of tab pages that can be opened from the command line.
"set tabpagemax=50
" Change color scheme.
"set colorscheme wombat256mod
" Highlight the line currently under cursor.
set cursorline
" Show line numbers on the sidebar.
set number
" Show line number on the current line and relative numbers on all other lines.
set relativenumber
" Disable beep on errors.
set noerrorbells
" Flash the screen instead of beeping on errors.
set visualbell
" Enable mouse for scrolling and resizing.
"set mouse=a
" Set the window's title, reflecting the file currently being edited.
"set title
" Use colors that suit a dark background.
"set background=dark

"
" Code Folding Options
"
" Fold based on indention levels.
"set foldmethod=indent
" Only fold up to three nested levels.
"set foldnestmax=3
" Disable folding by default.
"set nofoldenable

"
" Miscellaneous Options
"
" Automatically re-read files if unmodified inside Vim.
"set autoread
" Allow backspacing over indention, line breaks and insertion start.
"set backspace=indent,eol,start
" Directory to store backup files.
set backupdir=~/.cache/vim
" Display a confirmation dialog when closing an unsaved file.
"set confirm
" Directory to store swap files.
set dir=~/.cache/vim
" Delete comment characters when joining lines.
"set formatoptions+=j
" Hide files in the background instead of closing them.
"set hidden
" Increase the undo limit.
set history=1000
" Ignore file's mode lines; use vimrc configurations instead.
"set nomodeline
" Disable swap files.
"set noswapfile
" Interpret octal as decimal when incrementing numbers.
"set nrformats-=octal
" The shell used to execute commands.
"set shell
" Enable spellchecking.
"set spell
" Ignore files matching these patterns when opening files based on a glob pattern.
"set wildignore+=.pyc,.swp